The special officer who saved a Mass. General doctor yesterday has found himself in tight spots before. He was the Golden Gloves champ in the 156 lb category in 1998 (photo above of Paul M. Langone, 33, of Reading, courtesy of the Lowell Sun.) Langone’s coach tells the Herald today the young fighter was as a shy and reclusive person who displayed tremendous athleticism in the ring … and one of the “nicest kids” he ever met . Now the questions are coming in on what was Langone doing at the